/Engine/Plugins/MovieScene/MovieRenderPipeline/Source/MovieRenderPipelineCore/Public/Graph/MoviePipelineRenderLayerSubsystem.h
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Render Layers") void AddModifier ( [UMoviePipelineCollectionModifier](API\Plugins\MovieRenderPipelineCore\Graph\UMoviePipelineCollectionModifier) * Modifier )